Books by Hugh S. Spence
Total count: 6
Micaits occurrence, exploitation, and uses2d ed.Government Printing Bureau1912-01-01
Micagisements, exploitation et emplois2e éd.Impr. du gouvernement1914-01-01
L'industrie du feldspath au CanadaImpr. du gouvernement1917-01-01
Investigation of a reported discovery of phosphate in AlbertaGovt. Print. Bureau1997-01-01
GraphiteT. Mulvey1997-01-01